The thermal efficiency of a heat engine giving an output of 4 KW with an input of 10000 Joules/sec is __________ percent.

The thermal efficiency of a heat engine giving an output of 4 KW with

1.	The thermal efficiency of a heat engine giving an output of 4 KW with an input of 10000 Joules/sec is __________ percent.
A.	40
B.	80
C.	10
D.	25
Answer» B. 80

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The thermal efficiency of a heat engine giving an output of 4 KW with an input of 10000 Joules/sec is __________ percent.

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